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Finding the Fourth Proportional to 12,366,341,905.45, 18,549,512,858.18 and 12,366,341,905.45

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Solution

The fourth proportional to 12,366,341,905.45, 18,549,512,858.18 and 12,366,341,905.45 is: 18,549,512,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,341,905.45 : 18,549,512,858.18 = 12,366,341,905.45 : x
  2. Step 2: Convert to fraction form
    12,366,341,905.45/18,549,512,858.18 = 12,366,341,905.45/x
  3. Step 3: Cross multiply
    12,366,341,905.45x = 18,549,512,858.18 × 12,366,341,905.45
  4. Step 4: Simplify right side
    12,366,341,905.45x = 229,389,618,183,794,950,144
  5. Step 5: Solve for x
    x = 229,389,618,183,794,950,144/12,366,341,905.45
  6. Step 6: Final answer
    x = 18,549,512,858.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.